(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8101617

Type

Invention Patent

Filing

03/19/1981

Publication

-

Progress at the INPI

  1. Filing03/19/81
  2. Publication
  3. Examination09/13/83
  4. Allowance08/12/86
  5. Grant06/02/87
  6. Expired09/24/96

The letters patent expired on 09/24/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

FR

See this company's full portfolio

Inventors

C. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

12/02/1986

RPI 841

Deferimento

#9.1

08/12/1986

RPI 825

Exigência - art. 36 da LPI

#6.1

12/03/1985

RPI 789

Pedido de certificado de adição de invenção

#5.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.